Marking equipment for cold-formed section steel

Abstract

Marking equipment for cold-formed section steel comprises a machine frame, a steel belt, a hydraulic machine, a connecting part and a braking mechanism, the machine frame comprises two L-shaped frame bodies which are symmetrically arranged, an upper roll shaft and a lower roll shaft which are parallel to each other are arranged between the two frame bodies, and the hydraulic machine is arranged at the tops of the frame bodies; a pressing roller is arranged in the middle of the upper roller shaft, a character die roller is arranged at the position, corresponding to the pressing roller, of the lower roller shaft, and a steel belt passes through the position between the pressing roller and the character die roller and abuts against the character die roller. And the brake mechanism is arranged at the end part of the lower roller shaft. According to the marking equipment for the cold-formed section steel, the hydraulic machine controls vertical movement of the pressing roller, the brake mechanism controls rotation of the matrix roller, the hydraulic machine and the brake mechanism are matched with each other, the distance between marks on a steel belt can be accurately adjusted, and the marking equipment has the advantages of being simple in structure and convenient to control.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold bending forming equipment technical field especially a kind of marking equipment of cold bending forming production line. BACKGROUND

[0002] Steel pipe or section steel and other products produced by cold bending forming production line need to print logo or mark on surface, for marking manufacturer and batch, the existing marking equipment mainly has hydraulic, laser and other types, among them, laser equipment is good in printing effect, but cost is higher, and it is rarely used in section steel production line;Hydraulic marking machine is widely used in general section steel production line due to its simple equipment and low cost.Hydraulic marking machine is located between punching machine and cold bending machine, strip steel passes through the steps of uncoiling, flattening, punching, and mark is pressed on strip steel by character roll at marking machine, and then it enters cold bending machine.Character roll presses mark on strip steel every turn, and the distance between marks depends on the circumference of character roll, since character roll is fixed, therefore mark spacing is fixed, and mark spacing can only be changed by replacing character roll, which not only is laborious, but also delays production cycle. SUMMARY

[0003] The utility model solves the technical problems of overcoming the defects of prior art, and provides a marking equipment for cold bending section steel, which can accurately adjust the spacing of marks on steel strip by cooperating hydraulic press and brake mechanism to control the vertical movement of compression roller and the rotation of character roll, and has the characteristics of simple structure and convenient control.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A marking equipment for cold bending section steel, comprising a rack, a steel strip, a hydraulic press, a connecting part and a brake mechanism, the rack is two L-shaped rack bodies arranged symmetrically, an upper roller shaft and a lower roller shaft are arranged parallel to each other between the two rack bodies, and a hydraulic press is arranged at the top of the rack body;A compression roller is arranged in the middle of the upper roller shaft, a character roll is arranged at a position corresponding to the compression roller on the lower roller shaft, the steel strip passes between the compression roller and the character roll and abuts against the character roll;The brake mechanism is arranged at the end of the lower roller shaft.

[0006] The above-mentioned marking equipment for cold bending section steel, the brake mechanism comprises a brake seat, a cylinder, a brake plate, a brake wheel and a brake shoe, the brake seat is fixed on the rack, the brake wheel is sleeved on the outside of the lower roller shaft, the brake shoe is arranged on the outside of the brake wheel, and the shape of the brake shoe is matched with the brake wheel;The brake shoe is arranged on the inside of the brake plate, one end of the brake plate is movably connected with the brake seat, and the other end is connected to the end of the cylinder piston rod.

[0007] The marking equipment for cold-formed steel, the upper roller shaft and the lower roller shaft are supported on the frame through the connecting part, the connecting part comprises an end cover, a sliding block and a bearing, bearings are installed at positions corresponding to the frame of the upper roller shaft and the lower roller shaft, the sliding block is sleeved with the bearing, and the end cover is arranged on both sides of the sliding block; and a rubber plate is arranged between the sliding blocks of the upper roller shaft and the lower roller shaft.

[0008] The marking equipment for cold-formed steel, a frame cap is arranged on the top of the frame, and a hydraulic machine is arranged on the frame cap; and the movable end of the hydraulic machine is connected with the connecting part of the upper roller shaft.

[0009] The marking equipment for cold-formed steel further comprises a controller and a position sensor, the position sensor is arranged on the type bar to identify the starting position; and the controller is connected with the position sensor, the hydraulic machine and the air cylinder.

[0010] The marking equipment for cold-formed steel, brake mechanisms are arranged at both ends of the lower roller shaft.

[0011] The utility model discloses a structure that is simple, convenient and reasonable in design, and the utility model discloses a marking equipment for cold-formed steel, which comprises a frame, an upper roller shaft, a lower roller shaft, a pressure roller, a steel strip, a type bar and a hydraulic machine. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the utility model;

[0013] Figure 2 It is the side view of the utility model;

[0014] Figure 3 It is the structure schematic diagram of installing brake mechanism of the utility model;

[0015] Figure 4 It is the side view of installing brake mechanism of the utility model.

[0016] The list of each number in the drawing is as follows: 1, frame, 2, end cover, 3, lower roller shaft, 4, rubber plate, 5, upper roller shaft, 6, pressure roller, 7, steel strip, 8, type bar, 9, lower sliding block, 10, upper sliding block, 11, frame cap, 12, hydraulic machine, 14, brake seat, 15, brake wheel, 16, brake plate, 17, air cylinder, 18, brake shoe. DETAILED DESCRIPTION

[0017] The utility model will be further described in connection with the drawings.

[0018] AsFigure 1 、 Figure 2 The utility model discloses a marking machine, including frame 1, steel band 7, hydraulic machine 12, connecting portion and brake mechanism, frame 1 is two symmetrically arranged L-shaped frame body, and the parallel upper roller shaft 5 and lower roller shaft 3 are arranged in the frame, and the both ends of upper roller shaft and lower roller shaft are provided with connecting portion respectively, and the upper and lower roller shafts are supported on two frame bodies through connecting portion. The middle part of upper roller shaft 5 is provided with press roll 6, and the character roll 8 is arranged on the lower roller shaft at the position corresponding with the press roll, and the upper roller shaft and lower roller shaft drive the press roll and character roll to rotate oppositely respectively. Steel band passes between press roll and character roll, and the steel band is in contact with the character roll, and the press roll and steel band are separated in the non-working state, and the steel band 7 drives the character roll 8 to rotate through friction force, and the press roll is pressed to the position of steel band when marking, and the synchronous rotation of press roll makes the character roll press and carve the mark on the steel band.

[0019] The upper roller shaft 5 and lower roller shaft 3 are supported on the frame through connecting portion, the connecting portion includes end cover 2, lower sliding block 9, upper sliding block 10 and bearing, the parts of upper roller shaft and lower roller shaft connected with the frame are installed bearing respectively, the bearing outer sleeve of upper roller shaft is connected with upper sliding block 10, and the bearing outer sleeve of lower roller shaft is connected with lower sliding block 9, and the upper sliding block can move up and down along the frame, so as to realize the rotation of upper roller shaft in the frame and the translation along the vertical direction, and the lower sliding block can support the synchronous rotation of lower roller shaft. The both sides of upper sliding block and lower sliding block are provided with end cover 2, for fixing bearing and sliding block on roller shaft. Rubber plate 4 is arranged between the connecting portion of upper roller shaft and lower roller shaft, and the connecting portion of rubber plate 4 is in contact with lower roller shaft, and there is a gap between the connecting portion of rubber plate 4 and upper roller shaft.

[0020] The top of frame 1 is provided with frame cap 11, and hydraulic machine 12 is arranged on the frame cap, and the hydraulic machines on two frame bodies are connected through pipeline. The movable end of hydraulic machine is connected with upper sliding block, and two hydraulic machines act synchronously, and upper roller shaft drives press roll to press down or lift. When marking, the movable end of two hydraulic machines is stretched out, drives upper sliding block and press roll to move down along the frame to the position of steel band and carries out marking, and rubber plate can reduce the vibration in the process of marking, and after marking is completed, the movable end of hydraulic machine is retracted, drives upper sliding block and press roll to move up along the frame and leaves steel band.

[0021] As Figure 3 、 Figure 4As shown, one end of the lower roller shaft 3 is provided with a brake mechanism, the brake mechanism comprises a brake seat 14, a cylinder 17, a brake plate 16, a brake wheel 15 and a brake shoe 18, the brake seat 14 is fixed on the frame, and the cylinder 17 is arranged at the bottom of the frame; the cylinder is a thin cylinder. The brake wheel 15 is sleeved outside the lower roller shaft, two arc-shaped brake shoes 18 are arranged on the two sides of the brake wheel 15, and the shapes of the brake shoes are matched with the brake wheel. Two brake shoes are arranged on the inner sides of two brake plates 16 respectively; one end of the brake plate 16 is movably connected with the brake seat, and the other end is connected to the two ends of the piston rod of the cylinder 17. When the cylinder 17 acts, the piston rod is retracted to drive the brake plate and the brake shoe to tightly hold the brake wheel, so that the brake wheel and the lower roller shaft stop rotating, thereby realizing the braking of the lower roller shaft; when the brake is released, the piston rod of the cylinder is extended to drive the brake plate and the brake shoe to release the brake wheel, and the brake wheel and the lower roller shaft resume rotating. In order to improve the braking stability, the brake mechanism is arranged at both ends of the lower roller shaft.

[0022] The utility model also includes controller and position sensor, position sensor sets up on the character mould stick and marks the position of starting, the controller is connected to the uncoiler, hydraulic machine 12 and cylinder 17, and the controller adjusts the interval of mark on steel band through controlling the action of hydraulic machine and brake mechanism in the cylinder. After the last marking is finished, the character mould stick rotates under the drive of steel band, and the position sensor sends a signal to the controller when the starting end of mark is close to the top of the character mould stick, the controller controls the action of cylinder 17 and makes the character mould brake, and the mark is close to the top of the character mould and contacts with steel band in the braking state. When marking is needed, the controller controls the action of hydraulic machine and drives the compression roller to move downwards, at this time, the cylinder releases the braking state, the character mould rotates, and the compression roller just marks the mark; after marking is completed, the hydraulic machine moves upwards, and the steel band drives the character mould to rotate to the top of the character mould.

[0023] The working process of the utility model is further explained as follows:

[0024] When the cold bending forming production line starts, the coiled material is opened into a steel band by the uncoiler, enters the flattening machine and the punching machine, and after punching is completed, the steel band enters the marking machine. According to the set parameters, the controller controls the action of the hydraulic machine and the cylinder to automatically adjust the interval of the mark on the steel band, and after the mark is pressed on the marking machine, the steel band enters the cold bending machine to form a profiled steel or a steel pipe with appropriate interval marks.

Claims

1. A marking device for cold-formed steel profiles, characterized in that, It includes a frame (1), a steel belt (7), a hydraulic press (12), a connecting part, and a braking mechanism. The frame (1) consists of two symmetrically arranged L-shaped frames. An upper roller shaft (5) and a lower roller shaft (3) are arranged between the two frames and are parallel to each other. A hydraulic press (12) is arranged on the top of the frame. A pressure roller (6) is arranged in the middle of the upper roller shaft (5), and a character mold roller (8) is arranged on the lower roller shaft at a position corresponding to the pressure roller. The steel belt (7) passes between the pressure roller and the character mold roller and abuts against the character mold roller. The braking mechanism is arranged at the end of the lower roller shaft (3).

2. The marking equipment for cold-formed steel according to claim 1, characterized in that, The braking mechanism includes a brake seat (14), a cylinder (17), a brake plate (16), a brake wheel (15), and a brake shoe (18). The brake seat (14) is fixed on the frame. The brake wheel (15) is sleeved on the outside of the lower roller shaft. The brake shoe (18) is provided on the outside of the brake wheel. The shape of the brake shoe matches the brake wheel. The brake shoe is provided on the inside of the brake plate. One end of the brake plate is movably connected to the brake seat, and the other end is connected to the end of the piston rod of the cylinder (17).

3. The marking equipment for cold-formed steel according to claim 2, characterized in that, The upper roller shaft (5) and the lower roller shaft (3) are supported on the frame by a connecting part. The connecting part includes an end cover (2), a slider and a bearing. The upper and lower roller shafts are installed at positions corresponding to the frame. The bearings are fitted with sliders. End covers (2) are provided on both sides of the sliders. A rubber plate (4) is provided between the sliders of the upper roller shaft and the lower roller shaft.

4. The marking equipment for cold-formed steel according to claim 3, characterized in that, The frame (1) is provided with a frame cap (11) on top, and a hydraulic press (12) is provided on the frame cap; the movable end of the hydraulic press is connected to the connecting part of the upper roller shaft.

5. The marking equipment for cold-formed steel according to claim 4, characterized in that, It also includes a controller and a position sensor, the position sensor being set on the letter mold rod to mark the starting position; the controller is connected to the position sensor, the hydraulic press (12) and the cylinder (17).

6. The marking equipment for cold-formed steel according to any one of claims 1-5, characterized in that, Braking mechanisms are respectively installed at both ends of the lower roller shaft.

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